touch_sample.c

ucgui的3.98版本的源代码

/*
*********************************************************************************************************
*                                             uC/GUI V3.98
*                        Universal graphic software for embedded applications
*
*                       (c) Copyright 2002, Micrium Inc., Weston, FL
*                       (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
*
*              礐/GUI is protected by international copyright laws. Knowledge of the
*              source code may not be used to write a similar product. This file may
*              only be used in accordance with a license and should not be redistributed
*              in any way. We appreciate your understanding and fairness.
*
----------------------------------------------------------------------
File        : TOUCH_Sample.c
Purpose     : Shows how to access a touch panel without using buttons
---------------------------END-OF-HEADER------------------------------
*/

#include "GUI.h"

/*******************************************************************
*
*       MainTask
*
********************************************************************
*/

void MainTask(void) {
  GUI_Init();
  GUI_CURSOR_Show();
  GUI_CURSOR_Select(&GUI_CursorCrossL);
  GUI_SetBkColor(GUI_WHITE);
  GUI_SetColor(GUI_BLACK);
  GUI_Clear();
  GUI_DispString("Measurement of\nA/D converter values");
  while (1) {
    GUI_PID_STATE TouchState;
    int xPhys, yPhys;
    GUI_TOUCH_GetState(&TouchState);  /* Get the touch position in pixel */
    xPhys = GUI_TOUCH_GetxPhys();     /* Get the A/D mesurement result in x */
    yPhys = GUI_TOUCH_GetyPhys();     /* Get the A/D mesurement result in y */
    /* Display the measurement result */
    GUI_SetColor(GUI_BLUE);
    GUI_DispStringAt("Analog input:\n", 0, 20);
    GUI_GotoY(GUI_GetDispPosY() + 2);
    GUI_DispString("x:");
    GUI_DispDec(xPhys, 4);
    GUI_DispString(", y:");
    GUI_DispDec(yPhys, 4);
    /* Display the according position */
    GUI_SetColor(GUI_RED);
    GUI_GotoY(GUI_GetDispPosY() + 4);
    GUI_DispString("\nPosition:\n");
    GUI_GotoY(GUI_GetDispPosY() + 2);
    GUI_DispString("x:");
    GUI_DispDec(TouchState.x,4);
    GUI_DispString(", y:");
    GUI_DispDec(TouchState.y,4);
    /* Wait a while */
    GUI_Delay(100);
  };
}